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126381030 = 2354212701
BaseRepresentation
bin1111000100001…
…10101111100110
322210210211011220
413202012233212
5224323143110
620312441210
73063135546
oct742065746
9283724156
10126381030
116537aa36
12363a9206
132024c499
1412adb326
15b166370
hex7886be6

126381030 has 16 divisors (see below), whose sum is σ = 303314544. Its totient is φ = 33701600.

The previous prime is 126381023. The next prime is 126381037. The reversal of 126381030 is 30183621.

It is an interprime number because it is at equal distance from previous prime (126381023) and next prime (126381037).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126381037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2106321 + ... + 2106380.

It is an arithmetic number, because the mean of its divisors is an integer number (18957159).

Almost surely, 2126381030 is an apocalyptic number.

126381030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126381030 is an abundant number, since it is smaller than the sum of its proper divisors (176933514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126381030 is a wasteful number, since it uses less digits than its factorization.

126381030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212711.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 126381030 is about 11241.9317734987. The cubic root of 126381030 is about 501.8346333408.

The spelling of 126381030 in words is "one hundred twenty-six million, three hundred eighty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 4212701 8425402 12638103 21063505 25276206 42127010 63190515 126381030